Welcome to On Verticality. This blog explores the innate human need to escape the surface of the earth, and our struggles to do so throughout history. If you’re new here, a good place to start is the Theory of Verticality section or the Introduction to Verticality. If you want to receive updates on what’s new with the blog, you can use the Subscribe page to sign up. Thanks for visiting!

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The Many-Layered Atmosphere
Snippet Christopher James Botham Snippet Christopher James Botham

The Many-Layered Atmosphere

The above illustration originally appeared in the 1962 book The Earth from the Life Nature Library. It does a masterful job of explaining the complex layers of the earth’s atmosphere, and it puts the scale of each layer in perspective.

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The Verticality of Clouds
Musings Christopher James Botham Musings Christopher James Botham

The Verticality of Clouds

I recently climbed Mount Saint Helens in Washington state, and the experience brought me face-to-face with the verticality of clouds. The photo above was taken just after dawn, and you can see two very different types of clouds in the sky. Just above my head was a dense, thin layer of altostratus clouds, which looked solid and dark from below. Far above this was a wispy pattern of cirrus clouds, which was much lighter in appearance. In addition to these, there were also groups of low-lying stratus clouds in the valleys below. What struck me in that moment was each of these cloud types was created by the exact same elements, the only difference was their height above the surface.

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